Window That Improves Air Quality and Energy Use
Purdue University researchers have developed a more efficient window that improves air quality and conserves energy, exhausting the lesser quality air in a room and flowing in fresh, outdoor air by its two-way flow path. The air that flows into a room is appropriately tempered to conserve energy for heating or cooling a room throughout the year. On a calm, sunny day in the winter, tests have concluded that outdoor air can be preheated by up to 18°C (80 percent efficiency). Similarly, on a calm, cloudy day in the summer, outdoor air can be precooled by up to 3°C (24 percent efficiency).
A more efficient windowImproved air quality
Green technologyWindow manufacturing
Qingyan ChenPurdue Mechanical Engineering
United States
7,641,545
USA
